Device for winding cylindrical wire springs



Oct. 26 1926. 1,604,172

E. KLINKMANN DEVICE FOR WINDING CYLINDRICAL WIRE SPRINGS Filed April 16.1926 Tl Z 2 f m 0 M 2% I i /5 L F" ii M 95H u if I;

m pwwzzm 5 k141 4% Patented Oct. 26, 1926.

UNITED STATES PATENT OFFICE ERNST KLINKMANN, OF COLOGNE-KALK, GERMANY.

DEVICE FOR WINDING CYLINDRICAL WIRE SPRINGS.

Applicationflled April 16, 1926, Serial No.

drel in order to permit of varying the pitch of the windings of thespring to be manufactured.

The invention is illustrated diagrammati cally and by way of example onthe accompanying drawing onwhich Figure 1 1s a front view of theimproved device, partly in section, Figure 2 a back view, and Figure 3 aside-view. I

On the drawing, a denotes the winding mandrel and b a hook-shaped basebody of the winding device, the upper portion of this body beingprovided with two legs 0 and d located at right angles with respect toeach. other. The base body I) is suspended from the winding mandrel a sothat said two legs 0 and (1 contact with said mandrel.

At the head f of the base body a feeding device for the wire to be woundinto a cylindrical spring is provided, and in a front longitudinal boreof said head is located a bolt h which is shiftable longitudinally. Thisshifting may be effected by means of a sleeve e having an internalthread engaging an external thread of the bolt h, as well as a knob kwhich must be turned in order to effect the shifting of the said bolt. Ahook i is attached detachably to the head 7 and can assume aplace justin front of a collar of the sleeve e whereby this latter is preventedfrom movement in longitudinal direction. m denotes a clamping platewhich is attached to one end of the bolt h, as well as to a bolt n alsolocated shiftably in the head 7. Upon the ends of the bolts 7:. and nanother clamping plate 0 can be shifted freely, and can be pressedagainst the clamping plate m by means of a nut 1) located upon thethreaded end of the bolt n.

The wire to be wound is placed between the clampin plates 0 and m in amanner hereinafter escribed.

On the front side of the head 7 a graduated scale, and at the clampingplate m a hand 1' is provided which latter co-operates with said scale.By turning the knob k.

102,463, and in Germany August 28, 1924.

the plates m and 0 may together be shifted parallel to the mandrel a.

At each side of the leg (1 a hook a is prov ded, the front leg of whichis located a little remote from the mandrel a. This distance or gap maybe varied b shifting the other leg of said hook in ob on holes afterscrews t have been unscrewe sufiiciently.

In order to wind cylindrical wire springs by means of the device, thislatter 1s suspended with its legs 0 and d from the winding mandrel a insuch a manner that the grip u hangs downwardly. In this position of theparts an adjustable abutment member 'v may have been shifted towards andagainst the mandrel so as to contact with it, but this is notindispensably requisite. The wire be wound is placed between theclamping plates m and 0, and the end of the wire 1s put 1nto atransverse bore w of the mandrel a in order to couple this latter withthe wire. Connecting the wire and the mandrel with each other may beeffected, however, also in another manner, or by other means, forinstance by a catch or driver or the like. The wire is so guided betweenthe plates m and 0 that it passes below the pivot 92 and over the pivoty shown. The nut p s then screwed home so much that the wire is clampedin between the plates m and 0 with a certain friction so that a certainincreased frictional resistance must be overcome when the windingproceeds.

In the drawing it is assumed that the hand 7" stands upon the zero pointof the scale, the clamping plate m bein situated vertically over theleft hand e ge of the le 0 of the base body I). If now the mandre isrotated, the wire is being wound upon and around the latter, itswindings being in contact with each other, but without any pressurebetween them. Every freshly formed winding becomes located in front ofthe left hand frontal face of the leg 0 so that with the precedingwinding the base body I) is being shifted automatically along upon themandrel, as is, in fact, the entire winding device.

If a spring is to be wound in such a manner that its windings are moreor less remote from each other, that is to say, that the spring, is acompression spring, the knob k is so turned thatthe clampin plates m ando areshifted to the. rightgt e hand 1' does the same, and indicates theitch of the windings, or, in other words, t e distance between them. Thewire is fed from the clam ing plates m and o to the winding man rel inoblique position to the left, as illustrated in Fi 1. The winding devlceis now being shlfted as much quicker as corresponds to the oblique pos1t1on of the wire, this latter contacting again with the frontal face ofthe leg 0,

If the clamping plates are shifted to the left beyond the zero position,a tensile spring will be produced, the windings of which contact witheach other not merely loosely but with a certain preliminary tension.The wire is then running to the right (Fig. 1) obliquely from theclamping plates to the winding mandrel. The left hand hook 8 adjustablyattached to the leg 0 of the body 6 will be touched by the wire comingfrom the clamping plates when the latter are shifted to the left beyondthe zero position. Thus, the tension of the wire to move the wholedevice backwards on the mandrel is overcome because the wire will bebent by" the book 8 to a certain degree. NVithout this feature thewinding of tensile springs by shifting the clamping plates beyond thezero position would be practically impossible.

With the position of the plates m and 0 as shown in the drawing aleft-handed spring will be obtained. The position of the said platescan, however, be so changed that a right-handed spring results. For thispurpose the screws 2 are unscrewed, the hook 1' is removed from the bolth, and this latter is drawn out of the head 7 together with the clampingplates and the other appertaining members, and is then reintroduced intothe head f from the right; now also the sleeve (2 is again put upon thebolt 71. and, finally, the hook i is so attached that it retains thesleeve in its new position. The hand 1 affixed to the clamping plate mis now pointing from the right to the left and is again directed towardsthe graduated scale which has two graduations, an upper one for thedirection right hand-left hand, and a lower one for the direction lefthand-right hand.

Instead of rotating the winding mandrel, this latter may be stationaryand the winding device may be turned around it by means of its grip u,but in this case it is, of course, necessary to shove the member 2;against the mandrel and secure it in this position. Itis in this casealso possible to arrange the mandrel vertically, the winding devicebeing then turned in a horizontal plane.

I claim 1. A device for winding cylindrical wiresprings, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an angular mem er. for

ing part of the base body and bein the part contactin with the mandrel,an a guide member %or the wire to be wound, an inclined hook upon eachside of the base body for cooperation with the wire to bend the latterunder predetermined conditions, said guide member being attached to saidangular member and adapted to be adjusted parallel to the said mandrel.

2. A device for winding cylindrical wiresprings, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an angular member forming part of the basebody and being the part' contacting with the mandrel, an inclined hookupon each side of the base body for cooperation with the wire to bendthe latter under predetermined conditions and a guide member for thewire to be wound, said guide member being attached to said angularmember and adapted to be adjusted parallel to the said mandrel, andcomprising two clamping plates, one of which is adapted to be pressedagainst the other, and a shiftable bolt having said other plate securedto it.

3. A device for winding cylindrical wiresprings, comprising, incombination, a wind ing mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an angular member forming part of the basebody and being the part contacting with the mandrel, an inclined hookupon each side of the base body'for cooperation with the wire to bendthe same under predetermined conditions and aguide member for the wireto be wound, said guide member being attached to said angular member andadapted to be adjusted parallel to the said mandrel and to be shiftedalso beyond that point, or zero point, at which the wire is so fed intothe device that the windings of the spring contact loosely with eachother.

4 .A device for winding cylindrical wiresprlngs, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an angular member forming part of the basebody and being the part contacting with the mandrel, an inclined hookupon each side of the base body for cooperation with the wire to bendthe same under predetermined conditions and a guide member for the wireto be wound, said guide member being attached to said angular member andadapted to be adjusted parallel to the said mandrel and to be shiftedalsobeyond that point, or zero point, at which the wire is so fed intothe device that the windings of the sprin contact loosely w th eachother, the said guide member comprising two clamping plates, one ofwhich is ada ted to be ressed against the other, and a s iftable b0 thaving said other plate secured to it.

5. A device for winding cylindrical wiresprings, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an an lar member forming part of the base dyand being the part contactingwith the mandrel, a guide member for thewire to be wound, said guide member being attached to said angularmember and adapted to be adjusted arallel to the said mandrel, and hooksattac ed to the said base body and being so adjustable as to be adaptedto bend to a certain degree the wire coming from the clamping plateswhen the latter are shifted beyond the zero position.

6. A device for winding cylindrical wiresprings, comprising, incomblnation, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another, an angular member forming part of the basebody and being the part contacting with the mandrel, and a guide memberfor the wire to be wound, said guide member being attached to saidangular member and adapted to be adjusted parallel to the said mandrel,and comprising two clamping plates, one of which is adapted to bepressed against the other and a shiftable bolt having said other platesecured to it, that part of the winding device carrying said clampingplates and its appertaining members being adapted to be turned over fromone side to the other, for the purpose set forth.

7. A device for winding cylindrical wiresprings, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an an lar member forming part of the base boy and being the part contacting with the mandrel, an inclined hook uponeach side of the base body for coo eration with the wire to bend thesame un er predetermined conditions a guide member for the wire to bewound, said guide member being attached to said angular member and adated to be adjusted parallel to the said man rel, and a counter supportlocated op site the said angular member, substantial y as set forth.

8. A device for winding cylindrical wiresprings, comprising, incombination, a winding mandrel, and a base body contacting with saidmandrel, this latter and said base body being adapted to be turnedrelatively to one another; an angular member forming part of the basebody and being the part contacting with the mandrel, an inclined hookuponeach side of the base body for cooperation with the wire to bend thesame under predetermined conditions and a guide member for the wire tobe wound, said guide member being attached to said angular member andadapted to be adjusted parallel to the said mandrel, and comprisin twoclamping plates, one of which is a apted to be pressed against theother, and a shiftable olt having said other plate secured to it; hooksattached to the said base body and being so adjustable as to be adaptedto bend the wire coming from the clamping plates when the latter areshifted beyond the zero position, and a counter support located oppositethe said angular member; that part of the winding device carryin saidclamping plates and its appertaining members being adapted to be turnedover from one side to the other, for the purpose set forth.

In testimony whereof I aflix my signature.

ERNST KLINKMANN.

